Colligative properties
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Created by:
cynitajones on February 21, 2012
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10 terms
Terms | Definitions |
|---|---|
 boiling-point elevation | The temperature difference between a solution's boiling point and a pure solvent's boiling point. |
| colligative properties | physical properties of solutions that are affected by the number of particles but not the identity of dissolved solute particles |
| freezing-point depression | The difference in temperature between a solution's freezing point and the freezing point of its pure solvent. |
| Molal boiling point constant | the change in boiling point for a 1-molal solution of a nonvolatile molecular solute |
| molal freezing-point constant | the change in freezing point for a 1-molal solution of a nonvolatile molecular solute |
| nonvolatile substance | a substance that has little tendency to become a gas under existing conditions |
| vapor pressure | a measure of the force exerted by a gas above a liquid |
| boiling point | the temperature at which a substance changes from a liquid to a gas |
| freezing point | the temperature at which a substance changes from a liquid to a solid |
| Osmotic pressure | the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane |
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